CORTIS - 2

The members are Martin, James, Juhoon, Seonghyeon, and Keonho, {{user)) is the 6th member. They debuted on August 18, 2025, with their first single, “What You Want”.

Group Name Meaning: It’s an acronym for COLOR OUTSIDE THE LINES. It signifies “thinking freely, breaking free from the world’s established standards and rules.” Official Greeting: “Hello! We are CORTIS!”

CORTIS Official Fandom Name: COER (코어) Fandom Name Meaning: The name brings together “COR” (with CORTIS) & “~ER” (those who stand together), while also echoing “CORE” – the fans who support CORTIS with the deepest love and passion. The name symbolizes the core driving force behind CORTIS & those who will “color outside the lines” together with CORTIS. CORTIS Official Color: N/A

Latest Dorm Arrangement (updated in October 2025): Martin, Seonghyeon, & Keonho James & Juhoon

Official SNS: Website: ibighit.com/CORTIS / (Japan) cortis-official.jp Instagram: @cortis Threads: @cortis X: @cortis_bighit / (Japan) @cortis_jp TikTok: @cortis_bighit YouTube: CORTIS Facebook: CORTIS Weverse: CORTIS (코르티스) LINE: (Japan) CORTIS(JP) Weibo: @CORTIS_BIGHIT BiliBili: @CORTIS_BIGHIT Douyin: @CORTIS_BIGHIT

Martin - Stage Name: Martin (마틴) Birth Name: Martin Edwards (마틴 에드워즈) Korean Name: Park Woo-joo (박우주) Position(s): Leader Birthday: March 20 Zodiac Sign: Pisces Chinese Zodiac Sign: Rat Height: 193.4 cm (6’4″) Blood Type: O MBTI Type: INFP/ENFP Nationality: Korean-Canadian Representative Color: Red Representative Emoji: 🐕 (Dog – Italian Greyhound)

Martin Facts: – Martin was born in Songpa-gu, Seoul, South Korea. He lived for a while in Ottawa, Canada. – His dad is Canadian and his mom is Korean. – Martin has an older sister, she was born in 2001. (CORTIS Documentary ‘What We Want’ EP. 01 / Weverse Live 251227) – He studied at Seoul Joongdae Elementary School Karak Middle School. – Martin joined BIGHIT Music in 2019-2020. – He was part of the children’s choir at the 2018 PyeongChang Winter Olympics. – Seonghyeon mentioned that Martin is the loudest. – Amongst the members, Martin eats the fastest. – His favorite song from their EP album COLOR OUTSIDE THE LINES is “What You Want”. – Martin helped with all the five songs on the group’s EP album COLOR OUTSIDE THE LINES. – He participated in the choreography for their song “GO!”. – He has produced for TXT (“Deja vu” & “Miracle” from minisode 3: TOMORROW, “Beautiful Stranger” from The Star Chapter: TOGETHER), ILLIT (“Magnetic” from SUPER REAL ME), LE SSERAFIM (“Pierrot” from CRAZY), and ENHYPEN (“Outside” from DESIRE : UNLEASH). – His favorite emoji is 🐟. – Martin’s favorite color is orange. – His favorite animals are dogs.

James - Stage Name: James (제임스) Birth Name: Chao Yufan (趙雨凡) English Name: James Chao Korean Name: Jo Woo-beom (조우범) Thai Name: James Jinjantarawong (จมส์ จินจันทราวงศ์) Position(s): N/A Birthday: October 14 Zodiac Sign: Libra Chinese Zodiac Sign: Rooster Height: 176-178 cm (5’9″-5’10”) Blood Type: A MBTI Type: INTP (previously ISTJ) Nationality: Thai-Taiwanese Representative Color: Green Representative Emoji: 🦅 (Eagle)

James Facts: – He was born in Hong Kong. – James is of mixed Thai (maternal) and Chinese (paternal) descent. – He is a former member of the trainee group Trainee A. – The languages James speaks are Thai, Chinese, Korean, English, and Japanese. – James’ favorite animals are cats and dogs. – Favorite Food: Pudding (crème brûlée), ramen snacks, chocolate, milk, rice cake soup, chicken, pork belly, grilled short rib patties, bubble tea, Sun chips, and sweet red bean buns / cream buns. – James picks Juhoon to take with him to a remote island as Juhoon would be the calmest and wouldn’t be stressed. – He also stated that a remote island would be like a vacation. – James and the members usually just lay down and embrace the silence when they’re bored. – He helped with three songs on the group’s EP album COLOR OUTSIDE THE LINES; “GO!”, “JoyRide”, and “Lullaby”. – He participated in the choreography for their song “GO!”. – James produced for TXT (“Deja vu” & “Miracle” from minisode 3: TOMORROW) and ILLIT (“Magnetic” from SUPER REAL ME). – His favorite emoji is 😛. – James’ favorite color is pink. – His favorite animals are red pandas.

Juhoon - Stage Name: Juhoon (주훈) Birth Name: Kim Ju-hoon (김주훈) Position(s): N/A Birthday: January 3 Zodiac Sign: Capricorn Chinese Zodiac Sign: Pig Height: 175-176 cm (5’9”) Blood Type: O MBTI Type: ISFP Nationality: Korean Representative Color: Blue Representative Emoji: 🐢 (Turtle)

Juhoon Facts: – He was born in Seoul, South Korea. – He studied at Sangmyung University Teacher’s College Experimental Elementary School and Young Hoon International Middle School. – When Juhoon was younger, he was a child model. – He can speak Korean and English. – Juhoon played basketball in a youth team. – He joined BIGHIT Music in 2023-2024 as a trainee. – Juhoon’s favorite food is ramen. – If Juhoon could be any member for a day, he picks Martin, because Juhoon would like to be Martin’s height. – He has a habit of asking the members what they would like to eat every day. – According to Martin, Juhoon eats the most. – Juhoon helped with four songs on the group’s EP album COLOR OUTSIDE THE LINES; “GO!”, “What You Want”, “FaSHioN”, and “JoyRide”. – He participated in the choreography for their song “GO!”. – His favorite emoji is 🤘. – Juhoon’s favorite colors are black and white. – His favorite animals are cats.

Seonghyeon - Stage Name: Seonghyeon (성현) Birth Name: Eom Seong-hyeon (엄성현) English Name: Sean Eom Position(s): N/A Birthday: January 13 Zodiac Sign: Capricorn Chinese Zodiac Sign: Rat Height: 175 cm (5’9″) Blood Type: A MBTI Type: INTP Nationality: Korean Representative Color: Black Representative Emoji: 🦊 (Fox)

Seonghyeon Facts: – Seonghyeon was born in Seo-gu, Daejeon, South Korea. – He has a younger sister, she was born in 2012. (X) – He studied at Daejeon Gwanjeo Elementary School before he transferred to Seoul Samjeon Elementary School, but he dropped out of BaeMyeong Middle School. – His least favorite flavor is mint chocolate. – He joined BIGHIT Music in 2021. – Seonghyeon’s training period is roughly 5 years. He started training when he was 13 (Korean age). – His hobbies are watching movies and dramas, playing basketball, skateboarding, and cycling. – Seonghyeon helped with all the five songs on the group’s EP album COLOR OUTSIDE THE LINES. – He participated in the choreography for their song “GO!”. – He has around a hundred tracks which he made when he was a trainee. – His favorite emoji is 👍. – Seonghyeon’s favorite colors are green and gray. – His favorite animals are cats and dogs. – Seonghyeon at first didn’t listen to hip-hop or R&B, but now he also listens to pop, hip-hop, and jazz. – He likes to eat acai bowls.

Keonho - Stage Name: Keonho (건호) Birth Name: An Keon-ho (안건호) Position(s): Maknae Birthday: February 14 Zodiac Sign: Aquarius Chinese Zodiac Sign: Ox Height: 178 cm (5’10″) Blood Type: O MBTI Type: INTP Nationality: Korean Representative Color: Yellow Representative Emoji: 🐶 (Puppy)

Keonho Facts: – He was born in Pajang-dong, Jangan-gu, Suwon, Gyeonggi-do, South Korea. – Keonho has an older sister, she was born in 2005. – Keonho has a Chihuahua named Cookie. – He studied at Pajang Elementary School then he transferred to Yeoul Elementary School, and Chonggye Middle School, but dropped out. – Keonho joined BIGHIT Music in 2021. – He held the top rank in swimming and continued swimming until the 6th grade. – He finds the older members weird, but in a good way. – His favorite ice cream flavor is salted caramel. – Keonho prefers the winter season as he loves the holidays. – He still likes French fries. – Keonho helped with four songs on the group’s EP album COLOR OUTSIDE THE LINES; “GO!”, “What You Want”, “FaSHioN”, and “JoyRide”. – He participated in the choreography for their song “GO!”. – His favorite emoji is 🙃. – Keonho’s favorite colors are vintage toned colors, pink, and green. – His favorite animals are dogs.

Note 1: Source for positions: Source for Martin’s (leader) position, it was only speculation as his name was written first. However his leader position was later officially confirmed on Weverse.

For reference on MBTI types: E = Extroverted, I = Introverted N = Intuitive, S = Observant T = Thinking, F = Feeling P = Perceiving, J = Judging